KG-75-1
Refractory and high refractory products for continuous steel teeming
Specification of Ukraine 23.2-00190503-360:2013
KG-75-1 grade corundum-graphite refractories are used for steel continuous teeming, dosing of metal jet from tundish ladle, for metal feeding under the level of metal meniscus in crystallizer pan.
Products are produced according to the customer drawings.
The products are laid on wooden pallet, laid with cardboard sheets, wrapped with stretch-film and bundled with polypropylene (or polyester) strip.
Technical requirements
| Parameter description | Value |
|---|---|
| Al2O3, % | ≥75 |
| Interconnected porosity, %, not more than | 14 |
| Variation of weight at calcination, % | 8-14 |
Specification
| Parameter description | Value |
|---|---|
| Type | aluminosilicate |
| Group | mullite-corundum (Al2O3 72-95%) |
| Refractoriness value | fire resistance (1580 to 1770°С) |
| Porosity degree | dense (Ptot 10-16%) |
| Heat treatment method | heat treated |
| Molding process | semidry forming |
| Binding type 1 | with organic binders |
| Binding type 2 | carbonous |
| Intended purpose | technology |
| scope of application | for continuous steel teeming |
| Reference document for product properties | Refractory and high refractory products for continuous steel teeming Specification of Ukraine 23.2-00190503-360:2013 |